Joints

Question 1

What are [the four things] joints composed of?

Answer 1

1. Joint capsule 2. Articular cartilage 3. Synovial Membrane and Fluid 4. Fibrous capsule

Question 2

The fibrous capsule of a joint is strengthened by what type of tissue?

Answer 2

Ligaments

Question 3

The fibrous capsule is made up of four types of ligaments. Name them.

Answer 3

1. Intrinsic 2. Extrinsic 3. Intra-articular 3. Extra-articular

Question 4

Where can you locate the intrinsic ligaments?

Answer 4

Between the carpal bones

Question 5

Where can you locate the extrinsic ligaments?

Answer 5

Between the carpals and metacarpals

Question 6

Where can you locate the intra-articular ligaments?

Answer 6

Inside the joint capsule

Question 7

Where can you locate the extra-articular ligaments?

Answer 7

Outside the joint capsule

Question 8

What are the three types of cartilage?

Answer 8

1. hyaline 2. Elastic 3. Fibrocartilage

Question 9

Where can you find hyaline cartilage?

Answer 9

Lining articular surfaces, nasal septum, tracheal rings, costal cartilages, epiphyseal

Question 10

Where can you fine elastic cartilage?

Answer 10

Ear and epiglottis

Question 11

Where can you find fibrocartilage?

Answer 11

Intervertebral discs, pubic symphysis, menisca, and where tendons/ligaments join to bone

Question 12

What does the Hilton’s law of nerve supply regarding joints suggest?

Answer 12

Nerves that supply a join also supply the muscles moving the joint and skin covering the attachments.

Question 13

What are the three classifications of joints?

Answer 13

Synovial (diathroses), Fibrous (syndesmosis/synarthrosis), and Cartilaginous (Synchondroses/amphiarthrosis)

Question 14

What are the six types of synovial joints?

Answer 14

1. Ball and Socket 2. Hinge 3. Plane 4. Condyloid 5. Saddle 6. Pivot

Question 15

What type of movement does a plane joint allow?

Answer 15

Gliding, Sliding

Question 16

Give an example of a plane joint.

Answer 16

ACC joint

Question 17

What type of joint allows Flexion/Ext only?

Answer 17

Hinge

Question 18

Give an example of a Hinge joint.

Answer 18

Elbow, Knee, Phalanges

Question 19

What type of movement does a saddle joint permit?

Answer 19

Flex/Ext, ABD/ADD and circumduction

Question 20

Give an example of a saddle joint.

Answer 20

CMC Joint of Thumb

Question 21

Saddle joints permit movement in more than one plane, meaning it is what?

Answer 21

Biaxial

Question 22

Movement that occurs in only one plane is what?

Answer 22

Uniaxial

Question 23

Movement that can occur in multiple axes is what?

Answer 23

Multiaxial

Question 24

What type of joint allows F/EXT, ABD/ADD, and IR/ER?

Answer 24

Ball and Socket

Question 25

Give an example of a ball and socket joint.

Answer 25

Hip, Shoulder

Question 26

What type of joint permits Flexion/Ext and ABD/ADD but not across the two planes?

Answer 26

Condyloid

Question 27

Give an example of a condyloid joint.

Answer 27

Knuckles, wrist

Question 28

What type of movement does a pivot joint allow?

Answer 28

Rotation around a central axis

Question 29

Give an example of a pivot joint.

Answer 29

C1 vertebra

Question 30

Name a type of a fibrous joint.

Answer 30

Sutures of cranium, radioulnar, and tibiofibular

Question 31

Name a type of cartilaginous joint.

Answer 31

Vertebrae, pubic symphysis

Question 32

Joints receive blood from articular arteries risen from BVs from networks called what?

Answer 32

Peri-articular arterial anatomoses

Question 33

Name a few variations that can occur with joints.

Answer 33

fontanelles, degenerative joint disease, arthritis